content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ---------------------------
   * BorderArrangementTests.java
   * ---------------------------
   * (C) Copyright 2004-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 22-Oct-2004 : Version 1 (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.block;
  
  import org.jfree.chart.ui.RectangleEdge;
  import org.jfree.chart.ui.Size2D;
  import org.jfree.data.Range;
  import org.junit.jupiter.api.Test;
  
  import java.awt.Graphics2D;
  import java.awt.image.BufferedImage;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  
  /**
   * Tests for the {@link BorderArrangement} class.
   */
  public class BorderArrangementTest  {
  
      private static final double EPSILON = 0.0000000001;
  
  
  
  
  
      /**
       * Confirm that the equals() method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          BorderArrangement b1 = new BorderArrangement();
          BorderArrangement b2 = new BorderArrangement();
          assertEquals(b1, b2);
          assertEquals(b2, b1);
  
          b1.add(new EmptyBlock(99.0, 99.0), null);
          assertFalse(b1.equals(b2));
          b2.add(new EmptyBlock(99.0, 99.0), null);
          assertEquals(b1, b2);
  
          b1.add(new EmptyBlock(1.0, 1.0), RectangleEdge.LEFT);
          assertFalse(b1.equals(b2));
          b2.add(new EmptyBlock(1.0, 1.0), RectangleEdge.LEFT);
          assertEquals(b1, b2);
  
          b1.add(new EmptyBlock(2.0, 2.0), RectangleEdge.RIGHT);
          assertFalse(b1.equals(b2));
          b2.add(new EmptyBlock(2.0, 2.0), RectangleEdge.RIGHT);
          assertEquals(b1, b2);
  
          b1.add(new EmptyBlock(3.0, 3.0), RectangleEdge.TOP);
          assertFalse(b1.equals(b2));
          b2.add(new EmptyBlock(3.0, 3.0), RectangleEdge.TOP);
          assertEquals(b1, b2);
  
          b1.add(new EmptyBlock(4.0, 4.0), RectangleEdge.BOTTOM);
          assertFalse(b1.equals(b2));
          b2.add(new EmptyBlock(4.0, 4.0), RectangleEdge.BOTTOM);
          assertEquals(b1, b2);
      }
  
      /**
       * Immutable - cloning is not necessary.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          BorderArrangement b1 = new BorderArrangement();
          assertFalse(b1 instanceof Cloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          BorderArrangement b1 = new BorderArrangement();
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(b1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          BorderArrangement b2 = (BorderArrangement) in.readObject();
          in.close();
          assertEquals(b1, b2);
      }
  
      /**
       * Run some checks on sizing.
       */
      @Test
      public void testSizing() {
          BlockContainer container = new BlockContainer(new BorderArrangement());
          BufferedImage image = new BufferedImage(200, 100,
                  BufferedImage.TYPE_INT_RGB);
          Graphics2D g2 = image.createGraphics();
  
          // TBLRC
          // 00000 - no items
          Size2D size = container.arrange(g2);
          assertEquals(0.0, size.width, EPSILON);
          assertEquals(0.0, size.height, EPSILON);
  
          // TBLRC
          // 00001 - center item only
          container.add(new EmptyBlock(123.4, 567.8));
          size = container.arrange(g2);
          assertEquals(123.4, size.width, EPSILON);
          assertEquals(567.8, size.height, EPSILON);
  
          // TBLRC
          // 00010 - right item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00011 - right and center items
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
          size = container.arrange(g2);
          assertEquals(22.3, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // try case where right item is shorter than center item
          container.clear();
          Block rb = new EmptyBlock(12.3, 15.6);
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(rb, RectangleEdge.RIGHT);
          size = container.arrange(g2);
          assertEquals(22.3, size.width, EPSILON);
          assertEquals(20.0, size.height, EPSILON);
          assertEquals(20.0, rb.getBounds().getHeight(), EPSILON);
  
          // TBLRC
          // 00100 - left item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00101 - left and center items
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2);
          assertEquals(22.3, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // try case where left item is shorter than center item
          container.clear();
          Block lb = new EmptyBlock(12.3, 15.6);
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(lb, RectangleEdge.LEFT);
          size = container.arrange(g2);
          assertEquals(22.3, size.width, EPSILON);
          assertEquals(20.0, size.height, EPSILON);
          assertEquals(20.0, lb.getBounds().getHeight(), EPSILON);
  
          // TBLRC
          // 00110 - left and right items
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2);
          assertEquals(22.3, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00111 - left, right and center items
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          container.add(new EmptyBlock(5.4, 3.2), RectangleEdge.RIGHT);
          size = container.arrange(g2);
          assertEquals(27.7, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 01000 - bottom item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 01001 - bottom and center only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01010 - bottom and right only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01011 - bottom, right and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(31.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01100
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01101 - bottom, left and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(31.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01110 - bottom. left and right
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(31.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01111
          container.clear();
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2);
          assertEquals(21.0, size.width, EPSILON);
          assertEquals(14.0, size.height, EPSILON);
  
          // TBLRC
          // 10000 - top item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 10001 - top and center only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10010 - right and top only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10011 - top, right and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
          size = container.arrange(g2);
          assertEquals(33.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10100 - top and left only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10101 - top, left and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2);
          assertEquals(33.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10110 - top, left and right
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2);
          assertEquals(33.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10111
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2);
          assertEquals(21.0, size.width, EPSILON);
          assertEquals(12.0, size.height, EPSILON);
  
          // TBLRC
          // 11000 - top and bottom only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(12.3, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 11001
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(21.0, size.width, EPSILON);
          assertEquals(77.9, size.height, EPSILON);
  
          // TBLRC
          // 11010 - top, bottom and right
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(21.0, size.width, EPSILON);
          assertEquals(77.9, size.height, EPSILON);
  
          // TBLRC
          // 11011
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2);
          assertEquals(16.0, size.width, EPSILON);
          assertEquals(16.0, size.height, EPSILON);
  
          // TBLRC
          // 11100
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.LEFT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2);
          assertEquals(21.0, size.width, EPSILON);
          assertEquals(77.9, size.height, EPSILON);
  
          // TBLRC
          // 11101
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2);
          assertEquals(14.0, size.width, EPSILON);
          assertEquals(16.0, size.height, EPSILON);
  
          // TBLRC
          // 11110
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          size = container.arrange(g2);
          assertEquals(12.0, size.width, EPSILON);
          assertEquals(14.0, size.height, EPSILON);
  
          // TBLRC
          // 11111 - all
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2);
          assertEquals(21.0, size.width, EPSILON);
          assertEquals(16.0, size.height, EPSILON);
  
      }
  
      /**
       * Run some checks on sizing when there is a fixed width constraint.
       */
      @Test
      public void testSizingWithWidthConstraint() {
          RectangleConstraint constraint = new RectangleConstraint(
                  10.0, new Range(10.0, 10.0), LengthConstraintType.FIXED,
                  0.0, new Range(0.0, 0.0), LengthConstraintType.NONE);
  
          BlockContainer container = new BlockContainer(new BorderArrangement());
          BufferedImage image = new BufferedImage(200, 100,
                  BufferedImage.TYPE_INT_RGB);
          Graphics2D g2 = image.createGraphics();
  
          // TBLRC
          // 00001 - center item only
          container.add(new EmptyBlock(5.0, 6.0));
          Size2D size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(6.0, size.height, EPSILON);
  
          container.clear();
          container.add(new EmptyBlock(15.0, 16.0));
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(16.0, size.height, EPSILON);
  
          // TBLRC
          // 00010 - right item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00011 - right and center items
          container.clear();
          container.add(new EmptyBlock(7.0, 20.0));
          container.add(new EmptyBlock(8.0, 45.6), RectangleEdge.RIGHT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00100 - left item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00101 - left and center items
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00110 - left and right items
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 00111 - left, right and center items
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          container.add(new EmptyBlock(5.4, 3.2), RectangleEdge.RIGHT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 01000 - bottom item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 01001 - bottom and center only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01010 - bottom and right only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01011 - bottom, right and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01100
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01101 - bottom, left and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01110 - bottom. left and right
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 01111
          container.clear();
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(14.0, size.height, EPSILON);
  
          // TBLRC
          // 10000 - top item only
          container.clear();
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(45.6, size.height, EPSILON);
  
          // TBLRC
          // 10001 - top and center only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0));
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10010 - right and top only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10011 - top, right and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10100 - top and left only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10101 - top, left and center
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10110 - top, left and right
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 10111
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(12.0, size.height, EPSILON);
  
          // TBLRC
          // 11000 - top and bottom only
          container.clear();
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(65.6, size.height, EPSILON);
  
          // TBLRC
          // 11001
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3));
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(77.9, size.height, EPSILON);
  
          // TBLRC
          // 11010 - top, bottom and right
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(77.9, size.height, EPSILON);
  
          // TBLRC
          // 11011
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(16.0, size.height, EPSILON);
  
          // TBLRC
          // 11100
          container.clear();
          container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.LEFT);
          container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(77.9, size.height, EPSILON);
  
          // TBLRC
          // 11101
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(16.0, size.height, EPSILON);
  
          // TBLRC
          // 11110
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(14.0, size.height, EPSILON);
  
          // TBLRC
          // 11111 - all
          container.clear();
          container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
          container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
          container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(9.0, 10.0));
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(16.0, size.height, EPSILON);
  
          // TBLRC
          // 00000 - no items
          container.clear();
          size = container.arrange(g2, constraint);
          assertEquals(10.0, size.width, EPSILON);
          assertEquals(0.0, size.height, EPSILON);
  
      }
  
      /**
       * This test is for a particular bug that arose just prior to the release
       * of JFreeChart 1.0.10.  A BorderArrangement with LEFT, CENTRE and RIGHT
       * blocks that is too wide, by default, for the available space, wasn't
       * shrinking the centre block as expected.
       */
      @Test
      public void testBugX() {
          RectangleConstraint constraint = new RectangleConstraint(
                  new Range(0.0, 200.0), new Range(0.0, 100.0));
          BlockContainer container = new BlockContainer(new BorderArrangement());
          BufferedImage image = new BufferedImage(200, 100,
                  BufferedImage.TYPE_INT_RGB);
          Graphics2D g2 = image.createGraphics();
  
          container.add(new EmptyBlock(10.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(20.0, 6.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(30.0, 6.0));
          Size2D size = container.arrange(g2, constraint);
          assertEquals(60.0, size.width, EPSILON);
          assertEquals(6.0, size.height, EPSILON);
  
          container.clear();
          container.add(new EmptyBlock(10.0, 6.0), RectangleEdge.LEFT);
          container.add(new EmptyBlock(20.0, 6.0), RectangleEdge.RIGHT);
          container.add(new EmptyBlock(300.0, 6.0));
          size = container.arrange(g2, constraint);
          assertEquals(200.0, size.width, EPSILON);
          assertEquals(6.0, size.height, EPSILON);
  
  
      }
  }
  
  